Mercury 25HP F25 4-Stroke Long Shaft Outboard Motor F25MLH EFI

Mercury 25HP F25 4-Stroke Long Shaft Outboard Motor F25MLH EFI

Mercury 25HP F25 4-Stroke Long Shaft Outboard Motor F25MLH EFI are a compact, lightweight, and fuel-efficient 25 horsepower engine designed for small boats, known for its reliable starting and smooth operation due to Electronic Fuel Injection (EFI).

Mercury 25HP F25 4-Stroke Long Shaft Outboard Motor F25MLH EFI Key Features

The Mercury F25MLH EFI outboard is a 4-stroke, inline 3-cylinder engine that offers a blend of power and portability for applications such as aluminium fishing boats, jon boats, and rigid inflatables. 

• Engine Type: Inline 3-cylinder, Four Stroke design.

• Horsepower/kW: 25 hp / 18.6 kW.

• Displacement: 526 cc.

• Weight: Approximately 60 kg (lightest model available, dry weight), making it among the lightest in its class.

• Shaft Length: 20" (Long Shaft).

• Starting: Manual start with a standard manual recoil as backup, even on electric start models.

• Fuel System: Electronic Fuel Injection (EFI) for dependable starting in all weather conditions, crisp throttle response, and enhanced fuel economy.

• Cooling System: Water-cooled with a thermostat.

• Steering: Tiller control, which is ambidextrous and adjustable for optimal control.

• Gear Shift: F-N-R (Forward-Neutral-Reverse).

• Recommended Fuel: Unleaded regular 87 octane minimum (90 RON minimum).

• Durability: Features saltwater-safe components, advanced alloys, and corrosion-preventive technologies.

• Maintenance: Designed with hassle-free maintenance in mind, including a "no-spill" oil change system and a lifetime maintenance-free valve train.

• Compatibility: Electric start models are compatible with Mercury Smart Craft digital technology for access to a range of intelligent gauges and connected technologies. 

• The engine's balanced powerhead and soft-rubber mounts help isolate vibration, contributing to a smooth and quiet boating experience

Mercury 25HP F25 4-Stroke Long Shaft Outboard Motor F25MLH EFI FAQs

• What type of boat is it best for? It is a great choice for aluminium tiller, jon, utility, and small fishing boats (typically 11-16 feet long). 

• Does it come with a propeller and fuel tank? The motor does not typically come with a factory-installed propeller, which must be purchased separately. A 6.6-gallon (25L) remote fuel tank is standard with the engine.

• Is it fuel efficient? Yes, the EFI system helps deliver increased fuel economy compared to carburettor  models and similar 2-stroke engines.

• How much maintenance is required? The engine is designed for easy maintenance, featuring a no-spill oil change system, easy-change gear lube, and a maintenance-free valve train for the life of the engine. The first oil change is recommended at the 100-hour mark or after the first year of use.

• What are common warning systems? The engine protection operator warning system includes alerts for low oil pressure, over-rev, overheat, and sensor failure.

• Is it compatible with Smart Craft digital technology? Yes, the electric start models are compatible with Mercury's Smart Craft digital gauges and features like Troll Control (for precise trolling speeds)